wéixiū / rényuán / dòngzuò / shuǎngjié / bú / dào / bàn / xiǎoshí / biàn / zhǎodào / le / shèbèi / gùzhàng / de / yuányīn维修人员动作爽捷,不到半小时便找到了设备故障的原因。The repair technician worked swiftly and found the cause of the equipment failure in less than half an hour.